waves intersecting on the beach

"When the universe begins to expand, it won't be spreading out to fill a larger emptiness. The only space that exists is the space it creates as it goes. It is natural but wrong to visualize the beginning as a kind of pregnant dot hanging in a dark, boundless void. But there is no space, no darkness. The beginning, the singularity, has no 'around' around it. There is no space for it to occupy, no place for it to be. Time doesn't exist. There is no past for it to emerge from..."

Bill Bryson